Folie 1 - SINTEF

Folie 1 - SINTEF

Ismir Fazlagic, Global Products and Solution Manager, Nor-shipping 2013 Onboard DC Grid The step forward in Power Generation and Propulsion ABB Group January 26, 2020 | Slide 1 Imagine your next ship: Proven technology and prepared for the future ABB Group January 26, 2020 | Slide 2

Greener Smarter Simpler Be competitive now and stay competitive for the next 20+ years Onboard DC Grid SFOC Fixed Speed Engine

Load [% of MCR) Onboard DC Grid Configuration overview Traditional AC System Removed components Onboard DC Grid ES:

Energy Storage FC: Fuel Cell Developed components Onboard DC Grid Vessel layout example Onboard DC Grid Onboard DC Grid Enabling Optimum Operation of Engines at low load Load [% of MCR) Onboard DC Grid Efficiency - Variable Speed Operation

Reduction Reduced Cleaner of SFOC by up to 21% Emissions combustion Reduced Engine Maintenance Onboard DC Grid Weight and Space Savings

Up to 30% reduction in weight and footprint of electrical power system More flexible placement of electrical equipment More functional layout of vessel Reduction in Cu weight

40% reduction in Cu weight 75-85% reduction in corridor reserved for power transmission Onboard DC Grid Reference case Dina Star Dina Star Delivered: March 2013 Voltage Level: 1000Vdc Speed range: 1200-1800rpm Engines: 4 x Catepillar 3516C 1 x Catepillar C32 Generation: 4 x 2.24MW UNIREC

1 x 920kW UNIREC Propulsion: 2 x 2.2MW ACS800 Thrusters: 2 x 925kW ACS800 Tunnel 1 x 880kW ACS800 Azimuth Onboard DC Grid Dina Star Performance Fuel Savings ~10% for a typical operational profile. Compared to fixed speed DE equivalent. Blackout restart Generator Online: 12s

System Recovered: 17s Main Propulsion Ramps More dynamic than AC system with same engines @ 1800rpm 0-70% Power: 7sec Ramp is adjusted as a function of no.engines online

Power Limitation Power limitation sent and feedback received within 200ms Engines medium speed reliability with high speed footprint and performance Load Steps System survived a 1400kW load step on G5 @ 1200rpm

FMEA No findings during DP2 FMEA Major Fault Recovery Fault on internal dc link of drives cleared in <500ms Power restored to system in 500ms Noise Level

like being on a ship running on batteries Annual Savings Operation Profile and Specific Fuel Oil Consumption ABB Group Month DD, Year | Slide 11 Onboard DC Grid Up to 20% fuel saving potential Leaner system with less components

and reduced complexity Quicker and more dynamic system performance Up to 30% Reduced Footprint and more flexible system design giving a higher vessel value ABB Group January 26, 2020 | Slide 13

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